Delta Air Lines
Is DL3999 delayed?
DL3999 left Appleton on schedule, at 11:09 on Sep 12 (2 min behind); its arrival time is not confirmed yet. Over its last 8 recorded arrivals, 4 landed more than 15 min late.
On schedule (2 min behind)
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Appleton
ATW
Actual
Scheduled 11:07
Sep 12
Arrival
Minneapolis
MSP
Scheduled
Sep 12
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 5 min early
Santa Ana → Seattle
- 37 min early
Seattle → Santa Ana
- 67 min late
Santa Ana → Seattle
- 52 min late
Seattle → Santa Ana
- 103 min late
Seattle → Santa Ana
Is DL3999 usually late?
Observation window: Aug 31, 2026 – Sep 30, 2026
Percentages and delay figures appear once 10 arrivals are recorded.
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Minneapolis (MSP) departures
- Left more than 15 min late
- 54 of 282
- Cancelled today
- 1
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 7, 2026Arrived | Santa Ana | Seattle | -5 | |
| Sep 7, 2026Arrived | Seattle | Santa Ana | -37 | |
| Sep 4, 2026Arrived | Santa Ana | Seattle | 67 | |
| Sep 4, 2026Arrived | Seattle | Santa Ana | 52 | |
| Sep 3, 2026Arrived | Seattle | Santa Ana | 103 | |
| Sep 2, 2026Arrived | Seattle | Santa Ana | -2 | |
| Sep 1, 2026Arrived | Seattle | Santa Ana | -11 | |
| Aug 31, 2026Arrived | Seattle | Santa Ana | 85 |
Email me if DL3999 runs late
We email you if your next DL3999 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.